:root {
  color-scheme: light;
  --bg: #f3efe6;
  --paper: #fffdf8;
  --ink: #241f1a;
  --muted: #5c554c;
  --line: #e3d9cc;
  --accent: #1f5c45;
  --accent-ink: #f4fbf7;
  --ok-bg: #e5f4eb;
  --ok-ink: #145233;
  --err-bg: #fdeeee;
  --err-ink: #8a2e2e;
  --shadow: 0 1px 0 rgba(36, 31, 26, 0.04);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  font-size: 1.05rem;
  line-height: 1.75;
  overflow-wrap: break-word;
}

a { color: var(--accent); }

a:hover { text-decoration: none; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  transform: translateY(-150%);
  background: var(--paper);
  padding: 0.4rem 0.7rem;
}

.skip:focus { transform: none; }

.site-header,
.site-footer,
main {
  width: min(60rem, calc(100% - clamp(1rem, 4vw, 2.5rem)));
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding: 1rem 0 0.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
}

.site-header nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.25rem 0.55rem;
  text-decoration: none;
}

main { padding-bottom: 3rem; }

main > :not(.app-list) {
  max-width: 46rem;
}

h1 {
  font-size: 1.7rem;
  line-height: 1.35;
  margin: 0.4rem 0 0.8rem;
}

h2 {
  font-size: 1.2rem;
  line-height: 1.4;
  margin: 2rem 0 0.6rem;
}

.lede,
.en-note,
.hint { color: var(--muted); }

.lede { margin-bottom: 0.35rem; }

.lede + .lede { margin-top: 0; }

.en-note {
  margin-top: 0;
  margin-bottom: 0;
  padding: 0 0 0 0.75rem;
  border-left: 3px solid var(--line);
  font-size: 0.95rem;
  line-height: 1.65;
}

.app-list,
.link-list,
.faq {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.app-list a,
.card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.2rem;
  min-height: 5.5rem;
  height: 100%;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.05rem;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
}

.app-list a:hover,
.app-list a:focus-visible {
  border-color: var(--accent);
}

.app-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin: 1.25rem 0 0;
}

.app-list li {
  display: flex;
  min-width: 0;
}

.app-list a { flex: 1; }

.app-list strong { display: block; color: var(--ink); }

.app-list span { color: var(--muted); }

@media (min-width: 48rem) {
  .app-list { grid-template-columns: 1fr 1fr; }
}

.faq dt { font-weight: 700; margin-top: 1rem; }

.faq dd { margin: 0.25rem 0 0; }

form {
  display: grid;
  gap: 1.15rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.2rem 1.15rem;
  margin-top: 0.4rem;
}

.field { display: grid; gap: 0.4rem; }

label { font-weight: 700; }

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid #cbbfae;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  line-height: 1.5;
}

textarea { min-height: 9rem; resize: vertical; }

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.55rem 1.35rem;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

form button { justify-self: start; }

button:hover,
.button:hover {
  background: #174836;
  text-decoration: none;
}

button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.hint { margin: 0.1rem 0 0; font-size: 0.92rem; }

#turnstile-widget { min-height: 4.25rem; }

.actions { margin: 1rem 0 0; }

.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status:not(:empty) {
  margin: 0;
  padding: 0.8rem 0.95rem;
  border-radius: 10px;
}

.form-status[data-state="success"] {
  background: var(--ok-bg);
  color: var(--ok-ink);
}

.form-status[data-state="error"] {
  background: var(--err-bg);
  color: var(--err-ink);
}

.site-footer {
  padding: 0 0 2.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
}

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.75rem;
  padding: 0;
  margin: 0.2rem 0 0;
  list-style: none;
}

@media (max-width: 40rem) {
  body { font-size: 1rem; }
  h1 { font-size: 1.45rem; }
  form { padding: 1rem 0.9rem; }
  form button,
  .button { width: 100%; }
}

@media (max-width: 22rem) {
  .site-header,
  .site-footer,
  main {
    width: calc(100% - 0.5rem);
  }

  form { padding: 0.85rem 0.35rem; }
}